can someone help me on a quiz I got some of it done bc this girl helped me(thank uu) but I need the other half done please help me I will give 50 points and a brainliest but u must show work

For this item, any answers that are not whole numbers should be entered as a decimal, rounded to the tenths place. brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.